FLOOD RISK ASSESSMENT LAND AT HALLSTEADS, DOVEHOLES, DERBYSHIRE

- JALO ENTERPRISES CO. LTD

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JALO ENTERPRISES CO. LTD.

PROPOSED RESIDENTIAL DEVELOPMENT

LAND TO REAR OF HALLSTEADS, DOVE HOLES, DERBYSHIRE

FLOOD RISK ASSESSMENT

NOVEMBER 2012

MT/NWK/VRG/1345

Version Detail Prepared by Checked by Issued by

FINAL CLIENT ISSUE

4 V ROSS-GILMORE

P WALKER V ROSS-GILMORE

SIGNATURE

DATE NOVEMBER

2012 NOVEMBER

2012 NOVEMBER

2012

Morgan Tucker Ltd

65 Northgate Newark

Nottinghamshire NG24 1HD

Tel 01636 610766

http://www.morgantucker.co.uk

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CONTENTS

Section Page

1 Introduction 3

2 Site Description 6

3 Flood Risk 9

4 Sequential & Exception Tests 12

5 Mitigation Measures 13

6 Summary & Conclusions 16

APPENDICES

A Technical Guidance to the National Planning Policy Framework

(2012) – Flood Risk Vulnerability Classification (Pages 6-10)

B Map/s from the Strategic Flood Risk Assessment -

Appendix C Main Rivers within High Peak Borough Council

C Environment Agency correspondence

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1 INTRODUCTION

1.1 Morgan Tucker Ltd has been commissioned by Jalo Enterprises Co. Ltd. to prepare a Flood Risk

Assessment (FRA) to support an outline planning application for residential development at Land to

rear of Hallsteads, Dove Holes, Derbyshire.

1.2 The development site is located on vacant fields.

1.3 The Environment Agency Flood Map indicates that the development site is located within Flood

Zone 1, i.e. land having a 1 in 1,000 annual probability of river flooding (0.1%).

1.4 Central Government has placed increasing priority on the need to take full account of the risks

associated with flooding at all stages of the planning and development process. This seeks to

reduce the future damage to property and the risk to life from incidents of flooding. Guidance is

contained in the National Planning Policy Framework (2012), Section 10 ‘Meeting the challenge of

climate change, flooding and coastal change’.

1.5 Local Plans should be supported by strategic flood risk assessment and develop policies to manage

flood risk from all sources, taking account of advice from the Environment Agency and other

relevant flood risk management bodies, such as lead local flood authorities and internal drainage

boards.

1.6 A site-specific flood risk assessment is required for:

proposals of 1 hectare or greater in Flood Zone 1

all proposals for new development in an area within Flood Zone 1 which has critical drainage

problems (as notified by the Environment Agency)

all proposals for new development (including minor development and change of use) in Flood Zones

2 and 3

where proposed development or change of use to a more vulnerable class may be subject to other

sources of flooding.

1.7 Table 1 below summarises the three flood risk zones

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Flood Zone

Category

Risk of Flooding (AEP) Probability of

Flooding

1

River, tidal & coastal: less than 0.1% Low

2

River: 0.1 – 1.0%

Tidal & coastal: 0.1 – 0.5%

Medium

3a

River: 1.0% or greater

Tidal & coastal: 0.5% or greater

High

3b

River: 5.0% or greater Functional Flood Plain

Table 1 – Flood risk and Flood Zone

1.6 A site-specific flood risk assessment should be produced to determine the risks of flooding at a

development site and/or the likely impact on neighbouring sites or receiving watercourses from

increased site runoff or drainage. As such a FRA is an essential element in the overall assessment

of the economic viability of the development as well as its acceptability in planning terms.

1.8 The Technical Guidance to the National Planning Policy Framework (2012) divides land use into five

classifications;

essential infrastructure e.g. essential transport infrastructure and utility infrastructure, wind turbines

water compatible e.g. docks, marinas and wharves, amenity open space

highly vulnerable e.g. caravans, mobile homes and park homes intended for permanent residential

use

more vulnerable e.g. hospitals, residential institutions, dwelling houses

less vulnerable e.g. shops, land and buildings used for agriculture

1.9 Appendix A contains further information regarding flood zones and classification of vulnerability.

The development proposal is categorized as a less vulnerable development.

1.8 The following land use categories are appropriate in each Flood Zone as summarized in Table 2

below:

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Flood Risk

Vulnerability

Classification

Essential

Infrastructure

Water

Compatible

Highly

Vulnerable

More

Vulnerable

Less

Vulnerable

Zone 1 √ √ √ √ √

Zone 2 √ √ Exception

Test

required

√ √

Zone 3a Exception

Test required

√ x Exception

Test

required

√

Zone 3b Exception

Test required

√ x x x

Table 2 – Flood Risk Vulnerability and Flood Zone Compatibility

1.9 Flooding can arise from a range of causes; from rivers and seas, directly from rainfall, from rising

groundwater, overwhelmed sewers and drainage systems. Table 3 below shows the possible risk

of flood at the development site, as assessed from site observation and consultations, and flood

levels advised by the Environment Agency.

Source / Pathway Low / Medium /

High Risk

Comment / Reason

Fluvial Low

The northern development

site boundary is passed by

the nearest watercourse

(Black Brook).

Tidal / Coastal Low

Pluvial (Urban Drainage) Low

Groundwater Low

Overland Flow Low

Blockage Low

Infrastructure Failure Low

Rainfall Ponding Low

Table 3 - Possible Flooding Mechanisms

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Development site (approximate)

2 SITE DESCRIPTION

2.1 Site Location

2.1.1 Figure 1 below confirms the approximate boundary of the development site, and location within the

context of the surrounding area (for further details and an accurate plan of the site please see the

planning application, location plan, and other supporting plans):

Figure 1 – Location of Development Site (Source: Google 2012)

2.1.2 The development site is accessed from the A6 Hallsteads. The A6 connects to Station Road and

Dale Road in the village of Dove Holes to the south of the development site, then continues on to

the town of Buxton where it connects to the A53. The A6 then continues through Derbyshire passing

through the towns and villages of Bakewell, Matlock, Matlock Bath, Belper amongst others, before

reaching Derby and terminating. To the north of the development site, the A6 connects to the A623,

A624 and B5470 at the town of Chapel-en-le-Frith. The A6 then continues to Stockport, Manchester

where it terminates.

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2.2 Previous Use

2.2.1 The development site is located on vacant land.

2.3 Planning History / Policy

2.3.1 Research into the planning history for land to the rear of Hallsteads site has ascertained that the site

has not had any recent planning applications. There have been a number of planning applications

made for neighbouring properties on Hallsteads e.g. new dwelling house, garage, extension, and

conservatory.

2.3.2 High Peak Borough Council is currently preparing its local development framework, as there are

many similar issues and challenges facing the two areas, Derbyshire Dales District Council and High

Peak Borough Council have decided to prepare a Joint Core Strategy for the area for which they are

the planning authorities. The area covered by the Core Strategy excludes the Peak District National

Park, who are a separate local planning authority responsible for preparing their own Core Strategy.

The Core Strategy plan period will cover the period up to 2026 and when adopted will supersede

many of the policies contained in the local plan.

2.3.3 To reflect the change to the planning system, the council is now preparing a Local Plan as an

alternative to the Core Strategy. Like the Core Strategy, the new High Peak Local Plan will provide

strategic planning guidance on matters such as housing, employment, the natural and historic

environment, transport and retail. In addition, the new High Peak Local Plan will also include details

of specific sites identified for future development or protection. The new Local Plan went out to

public consultation September - October 2012, with a consultation on the Local Plan preferred

option due February/March 2013. The new Local Plan will cover the period from 2006 to 2028.

2.3.4 In addition, High Peak Borough Council currently uses the old Local Plan (adopted in March 2005).

Policy 76 CF10 Renewable Energy states ‘Planning Permission will be granted for renewable

energy development, provided that: the benefits of the renewable development outweigh any

adverse impacts; and the proposals demonstrate that any harm to the environment or local amenity

either individually or cumulatively is minimised and can be kept to an acceptable level. In all cases

consideration will be given to the impact of proposals on

the environment and local amenity

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the appearance of the landscape

flora, fauna and other nature conservation interests

noise, shadow flicker and vibration levels including electromagnetic interference;

air and water quality

features and areas of natural, cultural, historical and archaeological interest

the reduction of the emissions of greenhouse gases and the wider social and economic

benefits of a proposal’.

2.4 Development Proposals

2.4.1 The planning application is outline with all matters reserved for housing. The site area is 4.05

hectares. It is thought that this site could accommodate approximately 58 dwelling houses

2.4.2 The new dwellings and associated infrastructure, such as access roads, will result in an increase to

the site’s impermeable area. It is proposed that this will be discharged to infiltration drainage

systems designed in accordance with BRE 365 and/or swales utilising Sustainable Urban Drainage

Systems (SUDS) techniques.

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3 FLOOD RISK

3.1 High Peak Borough Council Strategic Flood Risk Assessment

3.1.1 The High Peak Borough Council Level 1 Strategic Flood Risk Assessment was prepared by Halcrow

Group Ltd on behalf of the council, and was published in September 2008. The report assesses

flood risk from all sources of flooding and assists with the sustainable development and planning

spatial allocations.

3.1.2 The Level 1 SFRA contains an assessment for the borough based on EA flood zones and other

information from High Peak Borough Council, various water companies and the Environment

Agency.

3.1.3 The study area comprises High Peak Borough Council’s administrative area which is outside the

area of the Peak District National Park. The plan area falls in two separate sections; the north

western side of the Borough, including Glossop, Gamesley and much of Tintwistle; and the western

and south western side of the Borough, including New Mills, Hayfield, Whaley Bridge, Chapel-en-le-

Frith and Buxton.

3.1.4 The plan area of High Peak Borough Council drains into two major river catchments. The northern

and central parts of the plan area drain into the Goyt and Etherow catchments, which ultimately

drain into the River Mersey. The southern part of the plan area drains into the River Wye catchment,

which ultimately drains into the River Trent.

Nearest Watercourse

3.1.5 The nearest watercourse is the Black Brook (a tributary of the River Goyt) which passes the

northern boundary of the development site.

3.1.6 The River Goyt is a major watercourse in the study area and there are three main tributaries of the

River Goyt: River Etherow, River Sett and Black Brook, all of which drain into the Goyt from the High

Peak Borough area. The total area of the River Goyt and Etherow catchments is approximately

365km2.

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3.1.7 The Main River section of Black Brook forms the boundary of the Borough with the Peak District

National Park area for approximately 1.8km, flowing in a northerly direction. To the west of Chapel-

en-le-Frith, an unnamed drain enters the Black Brook from the west. Black Brook then flows in a

westerly direction along the north western side of Chapel-en-le-Frith.

Flood Risk Potential

3.1.8 There have been no historic flooding events from fluvial pathways or sources in the vicinity of the

development site.

3.2 Environment Agency

3.2.1 The Environment Agency has indicated that the development site is not at threat of flooding. Figure

2 refers:

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Development site (approximate)

Figure 2 – Location of nearest Watercourses

(Source: Environment Agency Website 2012)

3.2.2 The information provided by the Environment Agency website identifies that Black Brook passes the

northern boundary of the development site.

3.2.3 The Environment Agency Flood Map indicates that the development site is located within Flood

Zone 1. Residential Development is categorised as ‘more vulnerable’ development, and this is an

appropriate use in Flood Zone 1.

3.2.4 This Flood Risk Assessment has been developed based on information provided by the Client, and

the SFRA. Further information is included in Appendix C.

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4 SEQUENTIAL & EXCEPTION TESTS

4.1 The Environment Agency Flood Map indicates that the development site is categorised as Flood

Zone 1, therefore there is no requirement for a Sequential Test or Exception Test.

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5 MITIGATION MEASURES

5.1 Flood Risk

5.1.1 The Environment Agency Flood Map and information gathered through site investigations and other

enquiries suggest that the site is located within Flood Zone 1, an area which has a low probability of

flooding i.e. land having a less than 1 in 1000 year annual probability of river flooding in any year

(0.1%).

5.2 Surface Water Drainage Strategy

5.2.1 The standard requirement for the Environment Agency is that the drainage flow from the developed

site in a 1 in 100 yr Event (+ an allowance for Climate Change) does not exceed the existing

Greenfield run-off rate.

5.2.2 The development proposal consists of approximately 58 dwelling houses and associated

infrastructure, such as access roads

5.3 Proposed Surface Water Drainage Methodology

5.3.1 In accordance with Part H of the Building Regulations (Rainwater Drainage, H3);-

“….(3) Rainwater from a system…..shall discharge to one of the following, listed in order of

priority:

(a) An adequate soakaway or some other adequate infiltration system; or, where that is not

reasonably practicable,

(b) A watercourse; or, where that is not reasonably practicable,

(c) A sewer.”

5.3.2 Desktop research on the British Geological Survey website (www.bgs.ac.uk) has been undertaken

and it is believed that the site consists of Monsal Dale Limestone Formation bedrock geology.

Figure 3 refers:

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Development site (approximate)

Figure 3 – Geology

(Source: British Geological Survey Website 2012)

5.3.3 Monsal Dale Limestone Formation is expected to have good permeability, allowing water to enter

the water table slowly.

5.3.4 Therefore, initial appraisals suggest some of the ground conditions may be suitable for infiltration

techniques. To ensure the soakaways or similar are sized accordingly to accommodate proposed

development flows, they will need to be designed in accordance with Part H of the Building

Regulations and BRE 365 and/or as swales utilising appropriate SuDS techniques.

5.3.5 This is of course subject to obtaining suitable infiltration rates on the site through further ground

investigation / percolation testing, and subject to confirmation that there are no ground

contamination issues associated the site, where the use of infiltration techniques would introduce a

pollution pathway from the contamination to a sensitive receptor.

5.3.6 If due to poor percolation results or adverse contaminated ground conditions, the infiltration

techniques suggested above are shown to be unsuitable, then in accordance with the hierarchy

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shown in 5.3.1 above, the surface water runoff from the dwelling houses will be attenuated at source

to an existing greenfield run-off rate (storage for 1 in 100 years plus Climate Change) through the

use of small-scale attenuation facilities, and the outfalls directed to a watercourse. (i.e. all drainage

would be kept at or above the existing ground surface).

5.3.7 The exact volume will be dependent on a number of factors relating to the type of attenuation facility

used, the efficiency of any flow control device, and the efficacy of the facility as a whole.

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6 SUMMARY & CONCLUSIONS

6.1 Morgan Tucker Ltd was commissioned by Jalo Enterprises Co. Ltd. to prepare a Flood Risk

Assessment (FRA) to support a planning application for an outline planning application for

residential development at Land to rear of Hallsteads, Dove Holes, Derbyshire

6.2 This Flood Risk Assessment has been developed based on information provided by the Client, the

Level 1 Strategic Flood Risk Assessment and Environment Agency.

6.3 The Environment Agency Flood Map indicates that the development site is categorised as Flood

Zone 1 by the Environment Agency.

6.4 Residential Development is categorised as ‘more vulnerable’ development, and this is an

appropriate use in Flood Zone 1.

6.5 The new dwellings and associated infrastructure will result in an increase to the site’s impermeable

area. It is proposed that this will be discharged to infiltration drainage systems designed in

accordance with BRE 365 and/or swales utilising Sustainable Urban Drainage Systems (SUDS)

techniques.

6.6 Should infiltration techniques prove impracticable dues to poor infiltration rates, or the presence of

contaminated ground that might be adversely affected, then surface water run-off will be attenuated

at source to an existing greenfield run-off rate (storage for 1 in 100 years plus Climate Change)

through the use of small-scale attenuation facilities, and the outfalls directed to a watercourse (i.e.

all drainage would be kept at or above the existing ground surface).

6.7 In light of the above, it is considered that the proposed development will be at a low risk of flooding,

and it will not exacerbate the risk of flooding to more vulnerable sites downstream.

APPENDIX A

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indicates the need to apply the Exception Test (as set out in the National Planning Policy Framework), the scope of a Strategic Flood Risk Assessment will be widened to consider the impact of the flood risk management infrastructure on the frequency, impact, speed of onset, depth and velocity of flooding within the flood zones considering a range of flood risk management maintenance scenarios. Where a Strategic Flood Risk Assessment is not available, the Sequential Test will be based on the Environment Agency flood zones.

5. The overall aim should be to steer new development to Flood Zone 1. Where

there are no reasonably available sites in Flood Zone 1, local planning authorities allocating land in local plans or determining planning applications for development at any particular location should take into account the flood risk vulnerability of land uses (see table 2) and consider reasonably available sites in Flood Zone 2, applying the Exception Test if required (see table 3). Only where there are no reasonably available sites in Flood Zones 1 or 2 should the suitability of sites in Flood Zone 3 be considered, taking into account the flood risk vulnerability of land uses and applying the Exception Test if required. Table 1: Flood zones (Note: These flood zones refer to the probability of river and sea flooding, ignoring the presence of defences)

Zone 1 - low probability Definition This zone comprises land assessed as having a less than 1 in 1,000 annual probability of river or sea flooding (<0.1%). Appropriate uses All uses of land are appropriate in this zone. Flood risk assessment requirements For development proposals on sites comprising one hectare or above the vulnerability to flooding from other sources as well as from river and sea flooding, and the potential to increase flood risk elsewhere through the addition of hard surfaces and the effect of the new development on surface water run-off, should be incorporated in a flood risk assessment. This need only be brief unless the factors above or other local considerations require particular attention. Policy aims In this zone, developers and local authorities should seek opportunities to reduce the overall level of flood risk in the area and beyond through the layout and form of the development, and the appropriate application of sustainable drainage systems2.

2 Sustainable drainage systems cover the whole range of sustainable approaches to surface drainage management. They are designed to control surface water run off close to where it falls and mimic natural drainage as closely as possible.

4

Zone 2 - medium probability Definition This zone comprises land assessed as having between a 1 in 100 and 1 in 1,000 annual probability of river flooding (1% – 0.1%), or between a 1 in 200 and 1 in 1,000 annual probability of sea flooding (0.5% – 0.1%) in any year. Appropriate uses Essential infrastructure and the water-compatible, less vulnerable and more vulnerable uses, as set out in table 2, are appropriate in this zone. The highly vulnerable uses are only appropriate in this zone if the Exception Test is passed. Flood risk assessment requirements All development proposals in this zone should be accompanied by a flood risk assessment. Policy aims In this zone, developers and local authorities should seek opportunities to reduce the overall level of flood risk in the area through the layout and form of the development, and the appropriate application of sustainable drainage systems. Zone 3a - high probability Definition This zone comprises land assessed as having a 1 in 100 or greater annual probability of river flooding (>1%), or a 1 in 200 or greater annual probability of flooding from the sea (>0.5%) in any year. Appropriate uses The water-compatible and less vulnerable uses of land (table 2) are appropriate in this zone. The highly vulnerable uses should not be permitted in this zone. The more vulnerable uses and essential infrastructure should only be permitted in this zone if the Exception Test is passed. Essential infrastructure permitted in this zone should be designed and constructed to remain operational and safe for users in times of flood. Flood risk assessment requirements All development proposals in this zone should be accompanied by a flood risk assessment. Policy aims In this zone, developers and local authorities should seek opportunities to:

• reduce the overall level of flood risk in the area through the layout and form of the development and the appropriate application of sustainable drainage systems;

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• relocate existing development to land in zones with a lower probability of flooding; and

• create space for flooding to occur by restoring functional floodplain and flood flow pathways and by identifying, allocating and safeguarding open space for flood storage.

Zone 3b - the functional floodplain Definition This zone comprises land where water has to flow or be stored in times of flood. Local planning authorities should identify in their Strategic Flood Risk Assessments areas of functional floodplain and its boundaries accordingly, in agreement with the Environment Agency. The identification of functional floodplain should take account of local circumstances and not be defined solely on rigid probability parameters. But land which would flood with an annual probability of 1 in 20 (5%) or greater in any year, or is designed to flood in an extreme (0.1%) flood, should provide a starting point for consideration and discussions to identify the functional floodplain. Appropriate uses Only the water-compatible uses and the essential infrastructure listed in table 2 that has to be there should be permitted in this zone. It should be designed and constructed to:

• remain operational and safe for users in times of flood; • result in no net loss of floodplain storage; • not impede water flows; and • not increase flood risk elsewhere. Essential infrastructure in this zone should pass the Exception Test. Flood risk assessment requirements All development proposals in this zone should be accompanied by a flood risk assessment.

Policy aims In this zone, developers and local authorities should seek opportunities to:

• reduce the overall level of flood risk in the area through the layout and form of the development and the appropriate application of sustainable drainage systems;

• relocate existing development to land with a lower probability of flooding.

.

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Table 2: Flood risk vulnerability classification

Essential infrastructure • Essential transport infrastructure (including mass evacuation routes)

which has to cross the area at risk. • Essential utility infrastructure which has to be located in a flood risk area

for operational reasons, including electricity generating power stations and grid and primary substations; and water treatment works that need to remain operational in times of flood.

• Wind turbines. Highly vulnerable • Police stations, ambulance stations and fire stations and command

centres and telecommunications installations required to be operational during flooding.

• Emergency dispersal points. • Basement dwellings. • Caravans, mobile homes and park homes intended for permanent

residential use3. • Installations requiring hazardous substances consent4. (Where there is a

demonstrable need to locate such installations for bulk storage of materials with port or other similar facilities, or such installations with energy infrastructure or carbon capture and storage installations, that require coastal or water-side locations, or need to be located in other high flood risk areas, in these instances the facilities should be classified as “essential infrastructure”)5.

More vulnerable • Hospitals. • Residential institutions such as residential care homes, children’s homes,

social services homes, prisons and hostels. • Buildings used for dwelling houses, student halls of residence, drinking

establishments, nightclubs and hotels. • Non–residential uses for health services, nurseries and educational

establishments. • Landfill and sites used for waste management facilities for hazardous

waste6. • Sites used for holiday or short-let caravans and camping, subject to a

specific warning and evacuation plan.7 Less vulnerable • Police, ambulance and fire stations which are not required to be

operational during flooding. • Buildings used for shops, financial, professional and other services,

3 For any proposal involving a change of use of land to a caravan, camping or chalet site, or to a mobile home site or park home site, the Sequential and Exception Tests should be applied. 4 See Circular 04/00: Planning controls for hazardous substances (paragraph 18) at: www.communities.gov.uk/publications/planningandbuilding/circularplanningcontrols 5 In considering any development proposal for such an installation, local planning authorities should have regard to planning policy on pollution in the National Planning Policy Framework. 6 For definition, see Planning for Sustainable Waste Management: Companion Guide to Planning Policy Statement 10 at www.communities.gov.uk/publications/planningandbuilding/planningsustainable 7 See footnote 3.

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restaurants and cafes, hot food takeaways, offices, general industry, storage and distribution, non–residential institutions not included in “more vulnerable”, and assembly and leisure.

• Land and buildings used for agriculture and forestry. • Waste treatment (except landfill and hazardous waste facilities). • Minerals working and processing (except for sand and gravel working). • Water treatment works which do not need to remain operational during

times of flood. • Sewage treatment works (if adequate measures to control pollution and

manage sewage during flooding events are in place). Water-compatible development • Flood control infrastructure. • Water transmission infrastructure and pumping stations. • Sewage transmission infrastructure and pumping stations. • Sand and gravel working. • Docks, marinas and wharves. • Navigation facilities. • Ministry of Defence defence installations. • Ship building, repairing and dismantling, dockside fish processing and

refrigeration and compatible activities requiring a waterside location. • Water-based recreation (excluding sleeping accommodation). • Lifeguard and coastguard stations. • Amenity open space, nature conservation and biodiversity, outdoor sports

and recreation and essential facilities such as changing rooms. • Essential ancillary sleeping or residential accommodation for staff

required by uses in this category, subject to a specific warning and evacuation plan.

Notes to table 2: a. This classification is based partly on Department for Environment, Food and Rural Affairs and Environment Agency research on Flood Risks to People (FD2321/TR2)8 and also on the need of some uses to keep functioning during flooding.

b. Buildings that combine a mixture of uses should be placed into the higher of the relevant classes of flood risk sensitivity. Developments that allow uses to be distributed over the site may fall within several classes of flood risk sensitivity.

c. The impact of a flood on the particular uses identified within this flood risk vulnerability classification will vary within each vulnerability class. Therefore, the flood risk management infrastructure and other risk mitigation measures needed to ensure the development is safe may differ between uses within a particular vulnerability classification.

8 See website for further details. www.defra.gov.uk/science/Project_Data/DocumentLibrary/FD2320_3364_TRP.pdf

APPENDIX B

Appendix C: Main Rivers within High Peak Borough Council

APPENDIX C

Flood Map centred on Hallsteads - Doves Holes - Derbyshire. Created 27 November 2012. (REF: PRRWAR6132)

Contact Us: National Customer Contact Centre, PO Box 544, Rotherham, S60 1BY. Tel: 08708 506 506 (Mon-Fri 8-6). Email: enquiries@environment-agency.gov.uk© Environment Agency copyright and / or database rights 2011. All rights reserved. © Crown Copyright and database right. All rights reserved. Environment Agency, 100026380, 2012.

Scale 1:10,000

LegendSite_Location

Historic Flood Event Outline

Main River

Areas Benefiting from Defences

Flood Zone 3

Flood Zone 2

¯

2011

Contact: enquiries@environment-agency.gov.uk 08708 506506

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